00435nam a2200181 a 450000100080000000500110000800800410001910000180006024500320007826000270011030000090013765000160014665000110016265300220017365300240019570000150021970000190023417598081998-02-17       1975    bl uuuu     u0uu1 u    #d1 aBAILEY, W. A.  aBuilding hobby greenhouses.  aWashington: USDAc1975  a20p.  agreenhouses  aEstufa  aCasa de vegetacao  aPlastic film covers1 aLIU, R. C.1 aKLUETER, H. H.